CVE-2015-8865

Severity: high (CVSS 7.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-05-20 · updated 2026-06-17
Weakness: CWE-119

Description

The file_check_mem function in funcs.c in file before 5.23, as used in the Fileinfo component in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5, mishandles continuation-level jumps, which allows context-dependent attackers to cause a denial of service (buffer overflow and application crash) or possibly execute arbitrary code via a crafted magic file.

Affected products

macOS: through 10.11.4
PHP: through 5.5.33; 5.6.0-alpha1, 5.6.0-alpha2, 5.6.0-alpha3, 5.6.0-alpha4, 5.6.0-alpha5, 5.6.0-beta1 (+27)

References

http://bugs.gw.com/view.php?id=522
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fe13566c93f118a15a96320a546c7878fd0cfc5e
http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.debian.org/security/2016/dsa-3560
http://www.openwall.com/lists/oss-security/2016/04/24/1
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/85802
http://www.ubuntu.com/usn/USN-2952-1
http://www.ubuntu.com/usn/USN-2952-2

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